The first 300 km of a journey is covered in 3 1/3 hours and the remaining of the journey is covered in 2 2/3 hours at 75 km/hr.Find the average speed of the whole journey?
75 1/3 km/hr
80 1/3 km/hr
70 1/2 km/hr
83 1/3 km/hr
A distance of 450 km is covered in 6 1/2 hrs.If the first two - thirds of the distance is covered at the speed of 75 km/hr,at what speed the remaining distance is covered?
40 km/hr
50 km/hr
60 km/hr
70 km/hr
Express 648 km/hr in metres per second.
168 m/s
160 m/s
180 m/s
190 m/s
A car covers 150km in 5 hours.What is its speed?
35
30
38
40
The distance between two towns is covered in 5 hours at the speed of 60 km/hr.How much time will be saved if the speed is increased by 15 km/hr.
1 hr
2 hr
3 hr
4 hr
A motor cycle covers 750km in 15 hours what is its speed?
30 km/hr
15 km/hr
75 km/hr
What distance does Sanoj cover, running for 30 seconds at a speed of 12 km/hr?
97 m
99 m
103 m
106 m
A many cycles from P to Q, a distance of 21 km, in 1 hour 40 minutes.The road from P is level for 13 km and then it is uphill to Q.The man's average speed on the level road is 15 km per hour.Find his average uphill speed?
10 km/hr
20 km/hr
Speed = ______________.
Distance/Time
Distance × Time
Time/Distance
Distance - Time
Express 432km/hr in metres per second.
120m/s
90m/s
140m/s
100m/s